Home / 26,791.20-40,177.46-10,991.68

Finding the Fourth Proportional to 26,791.20, 40,177.46 and 10,991.68

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Solution

The fourth proportional to 26,791.20, 40,177.46 and 10,991.68 is: 16,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.20 : 40,177.46 = 10,991.68 : x
  2. Step 2: Convert to fraction form
    26,791.20/40,177.46 = 10,991.68/x
  3. Step 3: Cross multiply
    26,791.20x = 40,177.46 × 10,991.68
  4. Step 4: Simplify right side
    26,791.20x = 441,617,783.53
  5. Step 5: Solve for x
    x = 441,617,783.53/26,791.20
  6. Step 6: Final answer
    x = 16,483.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.